Product Main

Specifications

The SkyNav SKM50 Series with embedded GPS antenna enables high performance
navigation in the most stringent applications and solid fix even in harsh GPS visibility environments.
It is based on the high performance features of the MediaTek 3329 single-chip architecture,
Its -165dBm tracking sensitivity extends positioning coverage into place like urban canyons
and dense foliage environment where the GPS was not possible before. The UART and
USB connector design is the easiest and convenient solution to communication with other electronic equipment.
 
Features
 
Ultra high sensitivity: -165dBm
22 tracking/66 acquisition-channel receiver
Internal back-up battery
NMEA-0183 compliant protocol or custom protocol
Operating temperature range: -40 to 85
Embedded patch antenna 25 *25 * 4.0 mm
Tiny form factor :54mm
Diameter: 15.6mm
Height:
RoHS compliant (Lead-free)
 
Performance Specification
 
Parameter Specification
Receiver Type L1 frequency band, C/A code, 22 Tracking / 66 Acquisition-Channel
Sensitivity Tracking -165dBm
   
Acquisition -148dBm
Accuracy Position 3m CEP without SA
   
Velocity 0.1m/s without SA
   
Timing (PPS) 60ns RMS
Acquisition Time Cold Start 36s
   
Warm Start 33s
   
Hot Start 1s
   
Re-Acquisition <1s
Power Consumption Tracking <30mA /3.3V Vcc
   
Acquisition 40mA
   
Sleep/Standby TBD
Navigation Data Update Rate 1Hz  
Operational Limits Altitude Max 18,000m
   
Velocity Max 515m/s